Home / 1,222,671.80-1,834,007.70-423,687.80

Finding the Fourth Proportional to 1,222,671.80, 1,834,007.70 and 423,687.80

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Solution

The fourth proportional to 1,222,671.80, 1,834,007.70 and 423,687.80 is: 635,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,671.80 : 1,834,007.70 = 423,687.80 : x
  2. Step 2: Convert to fraction form
    1,222,671.80/1,834,007.70 = 423,687.80/x
  3. Step 3: Cross multiply
    1,222,671.80x = 1,834,007.70 × 423,687.80
  4. Step 4: Simplify right side
    1,222,671.80x = 777,046,687,596.06
  5. Step 5: Solve for x
    x = 777,046,687,596.06/1,222,671.80
  6. Step 6: Final answer
    x = 635,531.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.